🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.64 AU - 0.72 AU

Year: 201 Days

Day: 46.9 Hours

Environment

Temp: 203 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,800,899 km

• M1: 161,117 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.09 AU - 2.25 AU

Year: 1145 Days

Day: 47.8 Hours

Environment

Temp: -62 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 89,800,899 km

• M1: 163,062 km (0.108 R)
• M2: 648,956 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.74 AU - 4.32 AU

Year: 2375 Days

Day: 30.7 Hours

Environment

Temp: -115 °C

Axial Tilt: 105.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 11.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.5

Radius: 14.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 10.67 AU - 12.63 AU

Year: 14242 Days

Day: 11 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,800,899 km

• M1: 182,809 km (0.093 R)
• M2: 849,866 km (0.096 R)
• M3: 1,966,015 km (0.107 R)
• M4: 5,309,378 km (0.103 R)
• M5: 7,081,814 km (0.114 R)
• M6: 7,752,610 km (0.1 R)
• M7: 16,664,754 km (0.097 R)
• M8: 19,599,116 km (0.09 R)
• M9: 21,685,707 km (0.106 R)
• M10: 25,947,601 km (0.12 R)
• M11: 33,034,052 km (0.113 R)
• M12: 33,754,964 km (0.115 R)
• M13: 35,015,027 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.9

Radius: 7.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 15.12 AU - 22.48 AU

Year: 29195 Days

Day: 17.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,800,899 km

• M1: 165,754 km (0.069 R)
• M2: 405,560 km (0.087 R)
• M3: 926,460 km (0.118 R)
• M4: 1,961,976 km (0.086 R)
• M5: 2,538,676 km (0.093 R)
• M6: 5,304,740 km (0.086 R)
• M7: 6,377,058 km (0.031 R)
• M8: 6,835,576 km (0.086 R)
• M9: 9,464,908 km (0.075 R)
• M10: 9,733,137 km (0.08 R)
• M11: 11,632,730 km (0.097 R)
• M12: 12,766,832 km (0.097 R)
• M13: 13,972,890 km (0.082 R)
• M14: 16,301,830 km (0.093 R)
• M15: 16,765,583 km (0.062 R)
• M16: 18,209,801 km (0.101 R)
• M17: 24,215,856 km (0.104 R)
• M18: 29,104,715 km (0.115 R)
• M19: 39,657,348 km (0.096 R)
• M20: 43,377,399 km (0.101 R)
• M21: 48,584,452 km (0.082 R)
• M22: 57,686,285 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.6

Radius: 7.9

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 15.7 AU - 22.04 AU

Year: 29358 Days

Day: 19.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,800,899 km

• M1: 98,286 km (0.109 R)
• M2: 977,323 km (0.113 R)
• M3: 1,585,588 km (0.103 R)
• M4: 2,131,321 km (0.055 R)
• M5: 3,292,649 km (0.082 R)
• M6: 4,388,902 km (0.086 R)
• M7: 5,584,788 km (0.088 R)
• M8: 7,033,045 km (0.108 R)
• M9: 11,311,095 km (0.081 R)
• M10: 11,997,450 km (0.103 R)
• M11: 14,459,981 km (0.118 R)
• M12: 18,427,765 km (0.093 R)
• M13: 25,770,328 km (0.119 R)
• M14: 27,563,557 km (0.1 R)
• M15: 41,370,394 km (0.097 R)
• M16: 42,015,310 km (0.115 R)
• M17: 42,666,809 km (0.087 R)
• M18: 45,511,263 km (0.111 R)
• M19: 52,509,451 km (0.076 R)
• M20: 58,558,740 km (0.033 R)
• M21: 62,698,562 km (0.112 R)
• M22: 63,977,474 km (0.044 R)
• M23: 80,707,902 km (0.057 R)
• M24: 84,267,433 km (0.069 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 17,291 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit